Outputs from SRX110H2
lab@srxA-1> show class-of-service forwarding-class
Forwarding class ID Queue Policing priority SPU priority
best-effort 0 0 normal low
expedited-forwarding 1 1 normal low
assured-forwarding 2 2 normal low
network-control 3 3 normal low
lab@srxA-1> show class-of-service classifier | match "network-control|Classifier"
Classifier: dscp-default, Code point type: dscp, Index: 7
110000 network-control low
111000 network-control low
Classifier: dscp-ipv6-default, Code point type: dscp-ipv6, Index: 8
110000 network-control low
111000 network-control low
Classifier: dscp-ipv6-compatibility, Code point type: dscp-ipv6, Index: 9
110000 network-control low
111000 network-control low
Classifier: exp-default, Code point type: exp, Index: 10
110 network-control low
111 network-control high
Classifier: ieee8021p-default, Code point type: ieee-802.1, Index: 11
110 network-control low
111 network-control high
Classifier: ipprec-default, Code point type: inet-precedence, Index: 12
110 network-control low
111 network-control high
Classifier: ipprec-compatibility, Code point type: inet-precedence, Index: 13
110 network-control low
111 network-control high
Classifier: ieee8021ad-default, Code point type: ieee-802.1ad, Index: 41
1100 network-control low
1101 network-control high
1110 network-control low
1111 network-control high
lab@srxA-1> show interfaces fe-0/0/6 extensive | find "cos transmit"
CoS transmit queue Bandwidth Buffer Priority Limit
% bps % usec
0 best-effort 95 95000000 95 0 low none
3 network-control 5 5000000 5 0 low none
Answer is queue 3, DSCP values 110000 or 111000.
Regards, Wojtek